Optic nerve edema usually takes about 2 to 4 weeks to recover, depending on the patient’s actual condition, individual physical condition, recovery situation and other factors. Optic nerve edema is generally caused by inflammatory stimulation of the optic nerve, increased intracranial pressure and other factors. If the patient’s condition is mild, his physical condition is good, and he recovers well, and the patient actively treats the primary disease, optic nerve edema generally takes about 2 weeks to recover. If the patient’s condition is poor, the individual’s physical condition is poor, and the patient is not treated in time, the patient may need about 4 weeks to recover, or even longer. Patients suffering from optic nerve edema need to promote the recovery of their condition through active and effective treatment, and can use tobramycin eye drops, prednisone acetate tablets and other medications under the guidance of a doctor to treat the condition. It is recommended that patients with optic nerve edema consult a hospital in a timely manner to assess their condition and follow the doctor’s instructions for treatment.